This page summarises the information held within TEPCat for the transiting planetary system TOI-4552. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2603.18233 | |
| Date of discovery paper | 2026 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 17 38 51.42 | h m s |
| Declination | −47 38 13.4 | d m s |
| Right ascension (decimal) | 264.71425 | degrees |
| Declination (decimal) | -47.63706 | degrees |
| V-band apparent magnitude | 14.44 | mag |
| K-band apparent magnitude | 9.40 | mag |
| Transit duration | 0.025 ( 0.60 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2459361.88588 ± 0.00025 | HJD or BJD |
| Orbital period | 0.30110032 ± 0.00000014 | days |
| Reference for orbital ephemeris | arXiv:2603.18233 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3258 ± 115 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 ± 0.09 | dex |
| Stellar mass | 0.2619 ± 0.0063 | Msun |
| Stellar radius | 0.2869 ± 0.0088 | Rsun |
| Stellar logarithmic surface gravity | 4.940 ± 0.028 | c.g.s. |
| Stellar mean density | 11.2 +0.7 −0.9 ( 15.80 + 0.99 − 1.27 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.00563 ± 0.00003 | AU |
| Planetary mass | 0.0058 ± 0.0015 ( 1.84 ± 0.48 ) | Mjup Mearth |
| Planetary radius | 0.0990 ± 0.0036 ( 1.110 ± 0.040 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 5.8 ± 1.6 ( 7.7 ± 2.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1122 ± 10 | K |
| Reference of detailed study | arXiv:2603.18233 |
TOI-4552 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/03/21 John Southworth (Keele University, UK)